I love all the shorts but my favourite would be Bloo's brothers as it was the first episode i saw and its really funny.
I love it when frankie asks Bloo if he has been playing with Mac's chemistry set.
Bloo is just funny =)
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I'll wait, I'll wait
For the ambulance to come, ambulance to come
Pick us up off the floor
What did you possibly expect under this condition
Dark Blue - Jack's Mannequin